Which statement is true about the cell theory? (5 points) a
It is tested only once.

b
It is based on a random guess.

c
It is based on experimentation.

d
It is a claim posed by some scientists.

It is based on experimentation

light rays enter the eye through the cornea, the clear front first understand how the eye enables us to see, and what role the cornea plays in eye at different angles, and do not focus on one point the retina, but on many we can tolerate very large scars on our bodies with no concern except for our vanity.